Top Definition
A type of cereal that is inedible unless in an extreme state laughter. The shape of a Rofl O's is designed to fit the mouth of a rofling person.

Get your rofl O's now!

Will they cheer me up?

No, come back when you are rofling, lolling or lmaoing.
by Faraqueer March 26, 2009
7 Words related to Rofl O's

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